Can I copy the result with one click?

No, there is no copy button; only the result card is shown.

For which contract types can I calculate stamp tax?

You can calculate for rental, sales, service, and tender contracts. After selecting the contract/document type and entering the amount, you will see the stamp tax amount.

Can I calculate the stamp tax by entering the contract amount?

Yes. When you select the contract type and enter the contract amount, the stamp tax is calculated according to the 2026 rates of Law No. 488.

Does the number of copies affect the stamp tax amount?

For documents with a fixed (flat) amount, yes: each copy is taxed separately, and the total is the fixed amount multiplied by the number of copies (Law No. 488, Art. 5). You can enter the document count in the number of copies field.

How is the tax calculated for documents with a fixed amount?

For documents with a fixed amount, the total tax is found by multiplying the fixed amount by the number of copies. The result shows both the stamp tax and the fixed amount.

According to which legislation and rates is the calculation made?

The calculation is made based on the Stamp Tax Law No. 488 and the 2026 rates. You can see the result by entering your contract type and amount information.

Stamp Duty (Damga Vergisi) Calculator

This tool only performs calculations and is NOT investment or financial advice. Rates/taxes change; verify with official sources (bank, accountant, SPK-licensed advisor) before acting.

Contract / Document Type

Contract Amount (₺)

Number of Original Copies (Nüsha)

Proportional-rate documents (contracts taxed as ‰ of amount): per Art. 5 of Law No. 488 (as amended by Law No. 6728), only ONE copy is subject to stamp duty regardless of how many originals are signed — the number of copies does not multiply the tax.

Stamp Duty

340.2 TRY

Rate

‰ 1.89

💡 Good to know

Under Turkish Stamp Duty Law No. 488, the duty arises the moment a contract is drawn up or signed.
Lease agreements: 1-year total × ‰1.89.
Service/sales agreements: Amount × ‰9.48.
Employment contracts (Law No. 4857): Exempt — no stamp duty applies.
Tax returns: Flat fee (updated annually).
Multiple copies (Art. 5): Flat-fee papers are taxed per copy; proportional-rate (‰) contracts are taxed on only one copy no matter how many originals are signed.
Payment: Due at the tax office within 15 days of signing.

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📖 How to Use

Enter values

Fill required numbers in the form.

Pick parameters

Currency / date / rate / bracket.

Compute

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🧾 This tax calculator produces an estimate — for the exact tax amount, confirm with Turkey's Revenue Administration (GİB), an independent accountant, or your local tax office. Tax rates change annually.

Frequently asked questions

No, there is no such automatic calculation; you need to enter the annual total amount directly into the "Contract Amount" field yourself.

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Stamp Duty Calculator 2026 — Turkish Law No. 488